437494243 has 2 divisors, whose sum is σ = 437494244. Its totient is φ = 437494242.

The previous prime is 437494237. The next prime is 437494249. The reversal of 437494243 is 342494734.

It is a balanced prime because it is at equal distance from previous prime (437494237) and next prime (437494249).

It is a cyclic number.

It is not a de Polignac number, because 437494243 - 2¹³ = 437486051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 437494196 and 437494205.

It is not a weakly prime, because it can be changed into another prime (437494249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218747121 + 218747122.

It is an arithmetic number, because the mean of its divisors is an integer number (218747122).

Almost surely, 2^437494243 is an apocalyptic number.

437494243 is a deficient number, since it is larger than the sum of its proper divisors (1).

437494243 is an equidigital number, since it uses as much as digits as its factorization.

437494243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The square root of 437494243 is about 20916.3630442771. The cubic root of 437494243 is about 759.1439131176.

The spelling of 437494243 in words is "four hundred thirty-seven million, four hundred ninety-four thousand, two hundred forty-three".